Algirosphaera robusta Braarudosphaera bigelowii Calcidiscus leptoporus Coccolithus pelagicus Emiliania huxleyi Gephyrocapsa caribbeanica Gephyrocapsa ericsonii Gephyrocapsa muellerae Gephyrocapsa oceanica Helicosphaera carteri Oolithotus fragilis Phaeocystis antarctica Phaeocystis globosa Phaeocystis pouchetii Umbilicosphaera sibogae